CA1299762C - Method of direct memory access control - Google Patents

Method of direct memory access control

Info

Publication number
CA1299762C
CA1299762C CA000566270A CA566270A CA1299762C CA 1299762 C CA1299762 C CA 1299762C CA 000566270 A CA000566270 A CA 000566270A CA 566270 A CA566270 A CA 566270A CA 1299762 C CA1299762 C CA 1299762C
Authority
CA
Canada
Prior art keywords
input
memory access
processor
direct memory
output device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000566270A
Other languages
English (en)
French (fr)
Inventor
Minoru Sugano
Akira Horiki
Zenichi Yashiro
Hironori Matsushima
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
NTT Inc
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Application granted granted Critical
Publication of CA1299762C publication Critical patent/CA1299762C/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal
    • G06F13/285—Halt processor DMA

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Bus Control (AREA)
CA000566270A 1987-05-13 1988-05-09 Method of direct memory access control Expired CA1299762C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62114684A JPH0821013B2 (ja) 1987-05-13 1987-05-13 ダイレクトメモリアクセスオ−ダ競合制御方式
JP62-114684 1987-05-13

Publications (1)

Publication Number Publication Date
CA1299762C true CA1299762C (en) 1992-04-28

Family

ID=14644056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000566270A Expired CA1299762C (en) 1987-05-13 1988-05-09 Method of direct memory access control

Country Status (3)

Country Link
US (1) US5067075A (ja)
JP (1) JPH0821013B2 (ja)
CA (1) CA1299762C (ja)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5170477A (en) * 1989-10-31 1992-12-08 Ibm Corporation Odd boundary address aligned direct memory acess device and method
US5519839A (en) * 1992-10-02 1996-05-21 Compaq Computer Corp. Double buffering operations between the memory bus and the expansion bus of a computer system
US5615392A (en) * 1995-05-05 1997-03-25 Apple Computer, Inc. Method and apparatus for consolidated buffer handling for computer device input/output
US5826106A (en) * 1995-05-26 1998-10-20 National Semiconductor Corporation High performance multifunction direct memory access (DMA) controller
JPH10320349A (ja) * 1997-05-15 1998-12-04 Ricoh Co Ltd プロセッサ及び当該プロセッサを用いるデータ転送システム
US6260082B1 (en) * 1998-12-23 2001-07-10 Bops, Inc. Methods and apparatus for providing data transfer control
US7107378B1 (en) 2000-09-01 2006-09-12 Sandisk Corporation Cooperative interconnection and operation of a non-volatile memory card and an input-output card
US6665759B2 (en) * 2001-03-01 2003-12-16 International Business Machines Corporation Method and apparatus to implement logical partitioning of PCI I/O slots
WO2003088021A2 (en) 2002-04-08 2003-10-23 Socket Communications, Inc Wireless enabled memory module
US7367503B2 (en) 2002-11-13 2008-05-06 Sandisk Corporation Universal non-volatile memory card used with various different standard cards containing a memory controller
US20050055479A1 (en) * 2002-11-21 2005-03-10 Aviad Zer Multi-module circuit card with inter-module direct memory access
US8037229B2 (en) 2002-11-21 2011-10-11 Sandisk Technologies Inc. Combination non-volatile memory and input-output card with direct memory access
US7305535B2 (en) * 2003-04-17 2007-12-04 Sandisk Corporation Memory cards including a standard security function
US7209995B2 (en) * 2003-12-09 2007-04-24 Sandisk Corporation Efficient connection between modules of removable electronic circuit cards
US7814166B2 (en) * 2006-01-27 2010-10-12 Sony Computer Entertainment Inc. Methods and apparatus for virtualizing an address space
CN101394541A (zh) * 2007-09-21 2009-03-25 中兴通讯股份有限公司 用于交互式网络电视系统的文件内容的分发方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248440A (en) * 1975-10-15 1977-04-18 Toshiba Corp Memory access control system
US4180855A (en) * 1978-04-07 1979-12-25 Gte Automatic Electric Laboratories Incorporated Direct memory access expander unit for use with a microprocessor
JPS5840214B2 (ja) * 1979-06-26 1983-09-03 株式会社東芝 計算機システム
US4312066A (en) * 1979-12-28 1982-01-19 International Business Machines Corporation Diagnostic/debug machine architecture
JPS5793422A (en) * 1980-11-29 1982-06-10 Omron Tateisi Electronics Co Dma controller

Also Published As

Publication number Publication date
JPH0821013B2 (ja) 1996-03-04
US5067075A (en) 1991-11-19
JPS63280365A (ja) 1988-11-17

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